The UEFA Champions League final is for the big boys and for strong clubs that have become the main winnings, usually settled with strong tactics. Bayer Leverkusen was considered untouchable not until they got thrashed by Atalanta in the Europa League final. This was absolutely a positive result and we know how determined they were during the competitive form they developed.
Getting to the champions league final is something that some teams find to be an achievement even without them really getting to be able to win the trophy because it's no news how much the champions league can be very competitive especially in the fact that it's the assembly of top team who are considered tops in their various leagues, this give the champions league that prestigious feel that always comes with it most often, whenever it's been spoken about or mentioned amongst other Leagues, the bigger teams who get to compete at this level are top teams.
Tactics of a team matters a whole lot in that champions league a s that is why they will most likely not be able to be really do perfectly in their domestic league, but in the champions league they will bring out the very best of their performance to be able to see if they will have an opportunity at the prestigious trophy across Europe Leverkusen may not get to the finals so let's not even try to make comparisons with the finals of the Europa league title ast hey aren't the same team even if they are both seen as top leagues across Europe and sometimes international football.